What are catalog tables in DB2?
The catalog tables describe such things as table spaces, tables, columns, indexes, privileges, application plans, and packages. Authorized users can query the catalog; however, it is primarily intended for use by Db2 and is therefore subject to change. All catalog tables are qualified by SYSIBM.
What are the Sysibm tables?
The SYSIBM. SYSTABLES table contains one row for each table, view, or alias. The SYSIBM. SYSTABLESPACE table contains one row for each table space.
How can I see all tables in DB2?
To list tables run the following commands:
- db2.
- connect to
- list tables for schema
- db2 => connect to TBSMHIST.
- Database Connection Information.
- Database server = DB2/LINUXX8664 9.7.0. SQL authorization ID = DB2INST1.
- db2 => list tables for schema TBSMHISTORY.
- Table/View Schema Type Creation time.
What is the dummy table in DB2?
In DB2, the dummy table is SYSDUMMY1. You can use dummy table to know DATE, TIME and Current version of DB2. Unlike the other catalog tables, which reside in Unicode table spaces, SYSIBM. SYSDUMMY1 resides in table space SYSEBCDC, which is an EBCDIC table space.
What application plan contains?
What does application plan contains? Application plan consists of one or more DBRM & application package which is kept in buffer pool during program execution. 34. Suppose a Plan contains 4 Packages & we modified one of the DBRM which is present in one of the Package.
What is DB2 command?
The Db2 command line processor is a program that runs under z/OS® UNIX System Services. You can use the Db2 command line processor to execute SQL statements, bind DBRMs that are stored in HFS files into packages, call stored procedures, and perform XML schema repository operations.
What is Sysibm SYSDUMMY1 in DB2?
It is used for SQL statements in which a table reference is required, but the contents of the table are not important. The schema is SYSIBM. Unlike the other catalog tables, which reside in Unicode table spaces, SYSIBM. SYSDUMMY1 resides in table space SYSEBCDC, which is an EBCDIC table space.
What is SYSDUMMY1?
SYSDUMMY1. As the name implies, SYSIBM.SYSDUMMY1 is a dummy table. It contains one row and one column, which is named IBMREQD and contains a value of ‘Y’. SYSIBM.SYSDUMMY1 is used extensively in SQL examples on the web and in the Knowledge Center.